Darwin puts float and double literal constants into literal4 and literal8 sections.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28957 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86AsmPrinter.cpp b/lib/Target/X86/X86AsmPrinter.cpp
index c366acc..5e35487 100644
--- a/lib/Target/X86/X86AsmPrinter.cpp
+++ b/lib/Target/X86/X86AsmPrinter.cpp
@@ -222,6 +222,58 @@
return false; // success
}
+void X86SharedAsmPrinter::EmitConstantPool(MachineConstantPool *MCP) {
+ if (!Subtarget->TargetType == X86Subtarget::isDarwin) {
+ AsmPrinter::EmitConstantPool(MCP);
+ return;
+ }
+
+ const std::vector<MachineConstantPoolEntry> &CP = MCP->getConstants();
+ if (CP.empty()) return;
+
+ std::vector<MachineConstantPoolEntry> FloatCPs;
+ std::vector<MachineConstantPoolEntry> DoubleCPs;
+ std::vector<MachineConstantPoolEntry> OtherCPs;
+ // const TargetData *TD = TM.getTargetData();
+ // unsigned Align = MCP->getConstantPoolAlignment();
+ for (unsigned i = 0, e = CP.size(); i != e; ++i) {
+ MachineConstantPoolEntry CPE = CP[i];
+ const Constant *CV = CPE.Val;
+ const Type *Ty = CV->getType();
+ if (Ty->getTypeID() == Type::FloatTyID)
+ FloatCPs.push_back(CPE);
+ else if (Ty->getTypeID() == Type::DoubleTyID)
+ DoubleCPs.push_back(CPE);
+ else
+ OtherCPs.push_back(CPE);
+ }
+ EmitConstantPool(MCP, FloatCPs, "\t.literal4");
+ EmitConstantPool(MCP, DoubleCPs, "\t.literal8");
+ EmitConstantPool(MCP, OtherCPs, ConstantPoolSection);
+}
+
+void
+X86SharedAsmPrinter::EmitConstantPool(MachineConstantPool *MCP,
+ std::vector<MachineConstantPoolEntry> &CP,
+ const char *Section) {
+ if (CP.empty()) return;
+
+ SwitchToDataSection(Section, 0);
+ EmitAlignment(MCP->getConstantPoolAlignment());
+ for (unsigned i = 0, e = CP.size(); i != e; ++i) {
+ O << PrivateGlobalPrefix << "CPI" << getFunctionNumber() << '_' << i
+ << ":\t\t\t\t\t" << CommentString << " ";
+ WriteTypeSymbolic(O, CP[i].Val->getType(), 0) << '\n';
+ EmitGlobalConstant(CP[i].Val);
+ if (i != e-1) {
+ unsigned EntSize = TM.getTargetData()->getTypeSize(CP[i].Val->getType());
+ unsigned ValEnd = CP[i].Offset + EntSize;
+ // Emit inter-object padding for alignment.
+ EmitZeros(CP[i+1].Offset-ValEnd);
+ }
+ }
+}
+
/// createX86CodePrinterPass - Returns a pass that prints the X86 assembly code
/// for a MachineFunction to the given output stream, using the given target
/// machine description.